1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2016, The Linux Foundation. All rights reserved.
3 
4 #include <linux/module.h>
5 #include <linux/err.h>
6 #include <linux/kernel.h>
7 #include <linux/delay.h>
8 #include <linux/regulator/consumer.h>
9 #include <linux/types.h>
10 #include <linux/of.h>
11 #include <linux/platform_device.h>
12 #include <linux/regmap.h>
13 #include <sound/soc.h>
14 #include <sound/pcm.h>
15 #include <sound/pcm_params.h>
16 #include <sound/tlv.h>
17 #include <sound/jack.h>
18 
19 #define CDC_D_REVISION1			(0xf000)
20 #define CDC_D_PERPH_SUBTYPE		(0xf005)
21 #define CDC_D_INT_EN_SET		(0xf015)
22 #define CDC_D_INT_EN_CLR		(0xf016)
23 #define MBHC_SWITCH_INT			BIT(7)
24 #define MBHC_MIC_ELECTRICAL_INS_REM_DET	BIT(6)
25 #define MBHC_BUTTON_PRESS_DET		BIT(5)
26 #define MBHC_BUTTON_RELEASE_DET		BIT(4)
27 #define CDC_D_CDC_RST_CTL		(0xf046)
28 #define RST_CTL_DIG_SW_RST_N_MASK	BIT(7)
29 #define RST_CTL_DIG_SW_RST_N_RESET	0
30 #define RST_CTL_DIG_SW_RST_N_REMOVE_RESET BIT(7)
31 
32 #define CDC_D_CDC_TOP_CLK_CTL		(0xf048)
33 #define TOP_CLK_CTL_A_MCLK_MCLK2_EN_MASK (BIT(2) | BIT(3))
34 #define TOP_CLK_CTL_A_MCLK_EN_ENABLE	 BIT(2)
35 #define TOP_CLK_CTL_A_MCLK2_EN_ENABLE	BIT(3)
36 
37 #define CDC_D_CDC_ANA_CLK_CTL		(0xf049)
38 #define ANA_CLK_CTL_EAR_HPHR_CLK_EN_MASK BIT(0)
39 #define ANA_CLK_CTL_EAR_HPHR_CLK_EN	BIT(0)
40 #define ANA_CLK_CTL_EAR_HPHL_CLK_EN	BIT(1)
41 #define ANA_CLK_CTL_SPKR_CLK_EN_MASK	BIT(4)
42 #define ANA_CLK_CTL_SPKR_CLK_EN	BIT(4)
43 #define ANA_CLK_CTL_TXA_CLK25_EN	BIT(5)
44 
45 #define CDC_D_CDC_DIG_CLK_CTL		(0xf04A)
46 #define DIG_CLK_CTL_RXD1_CLK_EN		BIT(0)
47 #define DIG_CLK_CTL_RXD2_CLK_EN		BIT(1)
48 #define DIG_CLK_CTL_RXD3_CLK_EN		BIT(2)
49 #define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK	BIT(3)
50 #define DIG_CLK_CTL_D_MBHC_CLK_EN	BIT(3)
51 #define DIG_CLK_CTL_TXD_CLK_EN		BIT(4)
52 #define DIG_CLK_CTL_NCP_CLK_EN_MASK	BIT(6)
53 #define DIG_CLK_CTL_NCP_CLK_EN		BIT(6)
54 #define DIG_CLK_CTL_RXD_PDM_CLK_EN_MASK	BIT(7)
55 #define DIG_CLK_CTL_RXD_PDM_CLK_EN	BIT(7)
56 
57 #define CDC_D_CDC_CONN_TX1_CTL		(0xf050)
58 #define CONN_TX1_SERIAL_TX1_MUX		GENMASK(1, 0)
59 #define CONN_TX1_SERIAL_TX1_ADC_1	0x0
60 #define CONN_TX1_SERIAL_TX1_RX_PDM_LB	0x1
61 #define CONN_TX1_SERIAL_TX1_ZERO	0x2
62 
63 #define CDC_D_CDC_CONN_TX2_CTL		(0xf051)
64 #define CONN_TX2_SERIAL_TX2_MUX		GENMASK(1, 0)
65 #define CONN_TX2_SERIAL_TX2_ADC_2	0x0
66 #define CONN_TX2_SERIAL_TX2_RX_PDM_LB	0x1
67 #define CONN_TX2_SERIAL_TX2_ZERO	0x2
68 #define CDC_D_CDC_CONN_HPHR_DAC_CTL	(0xf052)
69 #define CDC_D_CDC_CONN_RX1_CTL		(0xf053)
70 #define CDC_D_CDC_CONN_RX2_CTL		(0xf054)
71 #define CDC_D_CDC_CONN_RX3_CTL		(0xf055)
72 #define CDC_D_CDC_CONN_RX_LB_CTL	(0xf056)
73 #define CDC_D_SEC_ACCESS		(0xf0D0)
74 #define CDC_D_PERPH_RESET_CTL3		(0xf0DA)
75 #define CDC_D_PERPH_RESET_CTL4		(0xf0DB)
76 #define CDC_A_REVISION1			(0xf100)
77 #define CDC_A_REVISION2			(0xf101)
78 #define CDC_A_REVISION3			(0xf102)
79 #define CDC_A_REVISION4			(0xf103)
80 #define CDC_A_PERPH_TYPE		(0xf104)
81 #define CDC_A_PERPH_SUBTYPE		(0xf105)
82 #define CDC_A_INT_RT_STS		(0xf110)
83 #define CDC_A_INT_SET_TYPE		(0xf111)
84 #define CDC_A_INT_POLARITY_HIGH		(0xf112)
85 #define CDC_A_INT_POLARITY_LOW		(0xf113)
86 #define CDC_A_INT_LATCHED_CLR		(0xf114)
87 #define CDC_A_INT_EN_SET		(0xf115)
88 #define CDC_A_INT_EN_CLR		(0xf116)
89 #define CDC_A_INT_LATCHED_STS		(0xf118)
90 #define CDC_A_INT_PENDING_STS		(0xf119)
91 #define CDC_A_INT_MID_SEL		(0xf11A)
92 #define CDC_A_INT_PRIORITY		(0xf11B)
93 #define CDC_A_MICB_1_EN			(0xf140)
94 #define MICB_1_EN_MICB_ENABLE		BIT(7)
95 #define MICB_1_EN_BYP_CAP_MASK		BIT(6)
96 #define MICB_1_EN_NO_EXT_BYP_CAP	BIT(6)
97 #define MICB_1_EN_EXT_BYP_CAP		0
98 #define MICB_1_EN_PULL_DOWN_EN_MASK	BIT(5)
99 #define MICB_1_EN_PULL_DOWN_EN_ENABLE	BIT(5)
100 #define MICB_1_EN_OPA_STG2_TAIL_CURR_MASK GENMASK(3, 1)
101 #define MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA	(0x4)
102 #define MICB_1_EN_PULL_UP_EN_MASK	BIT(4)
103 #define MICB_1_EN_TX3_GND_SEL_MASK	BIT(0)
104 #define MICB_1_EN_TX3_GND_SEL_TX_GND	0
105 
106 #define CDC_A_MICB_1_VAL		(0xf141)
107 #define MICB_MIN_VAL 1600
108 #define MICB_STEP_SIZE 50
109 #define MICB_VOLTAGE_REGVAL(v)		(((v - MICB_MIN_VAL)/MICB_STEP_SIZE) << 3)
110 #define MICB_1_VAL_MICB_OUT_VAL_MASK	GENMASK(7, 3)
111 #define MICB_1_VAL_MICB_OUT_VAL_V2P70V	((0x16)  << 3)
112 #define MICB_1_VAL_MICB_OUT_VAL_V1P80V	((0x4)  << 3)
113 #define CDC_A_MICB_1_CTL		(0xf142)
114 
115 #define MICB_1_CTL_CFILT_REF_SEL_MASK		BIT(1)
116 #define MICB_1_CTL_CFILT_REF_SEL_HPF_REF	BIT(1)
117 #define MICB_1_CTL_EXT_PRECHARG_EN_MASK		BIT(5)
118 #define MICB_1_CTL_EXT_PRECHARG_EN_ENABLE	BIT(5)
119 #define MICB_1_CTL_INT_PRECHARG_BYP_MASK	BIT(6)
120 #define MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL	BIT(6)
121 
122 #define CDC_A_MICB_1_INT_RBIAS			(0xf143)
123 #define MICB_1_INT_TX1_INT_RBIAS_EN_MASK	BIT(7)
124 #define MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE	BIT(7)
125 #define MICB_1_INT_TX1_INT_RBIAS_EN_DISABLE	0
126 
127 #define MICB_1_INT_TX1_INT_PULLUP_EN_MASK	BIT(6)
128 #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(6)
129 #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_GND	0
130 
131 #define MICB_1_INT_TX2_INT_RBIAS_EN_MASK	BIT(4)
132 #define MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE	BIT(4)
133 #define MICB_1_INT_TX2_INT_RBIAS_EN_DISABLE	0
134 #define MICB_1_INT_TX2_INT_PULLUP_EN_MASK	BIT(3)
135 #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(3)
136 #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_GND	0
137 
138 #define MICB_1_INT_TX3_INT_RBIAS_EN_MASK	BIT(1)
139 #define MICB_1_INT_TX3_INT_RBIAS_EN_ENABLE	BIT(1)
140 #define MICB_1_INT_TX3_INT_RBIAS_EN_DISABLE	0
141 #define MICB_1_INT_TX3_INT_PULLUP_EN_MASK	BIT(0)
142 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(0)
143 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND	0
144 
145 #define CDC_A_MICB_2_EN			(0xf144)
146 #define CDC_A_MICB_2_EN_ENABLE		BIT(7)
147 #define CDC_A_MICB_2_PULL_DOWN_EN_MASK	BIT(5)
148 #define CDC_A_MICB_2_PULL_DOWN_EN	BIT(5)
149 #define CDC_A_TX_1_2_ATEST_CTL_2	(0xf145)
150 #define CDC_A_MASTER_BIAS_CTL		(0xf146)
151 #define CDC_A_MBHC_DET_CTL_1		(0xf147)
152 #define CDC_A_MBHC_DET_CTL_L_DET_EN			BIT(7)
153 #define CDC_A_MBHC_DET_CTL_GND_DET_EN			BIT(6)
154 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION	BIT(5)
155 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL	(0)
156 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK		BIT(5)
157 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT		(5)
158 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO		BIT(4)
159 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL		BIT(3)
160 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK		GENMASK(4, 3)
161 #define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN			BIT(2)
162 #define CDC_A_MBHC_DET_CTL_2		(0xf150)
163 #define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0	(BIT(7) | BIT(6))
164 #define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD	BIT(5)
165 #define CDC_A_PLUG_TYPE_MASK				GENMASK(4, 3)
166 #define CDC_A_HPHL_PLUG_TYPE_NO				BIT(4)
167 #define CDC_A_GND_PLUG_TYPE_NO				BIT(3)
168 #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK	BIT(0)
169 #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN		BIT(0)
170 #define CDC_A_MBHC_FSM_CTL		(0xf151)
171 #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN			BIT(7)
172 #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK		BIT(7)
173 #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA	(0x3 << 4)
174 #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK		GENMASK(6, 4)
175 #define CDC_A_MBHC_DBNC_TIMER		(0xf152)
176 #define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS		BIT(3)
177 #define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS	(0x9 << 4)
178 #define CDC_A_MBHC_BTN0_ZDET_CTL_0	(0xf153)
179 #define CDC_A_MBHC_BTN1_ZDET_CTL_1	(0xf154)
180 #define CDC_A_MBHC_BTN2_ZDET_CTL_2	(0xf155)
181 #define CDC_A_MBHC_BTN3_CTL		(0xf156)
182 #define CDC_A_MBHC_BTN4_CTL		(0xf157)
183 #define CDC_A_MBHC_BTN_VREF_FINE_SHIFT	(2)
184 #define CDC_A_MBHC_BTN_VREF_FINE_MASK	GENMASK(4, 2)
185 #define CDC_A_MBHC_BTN_VREF_COARSE_MASK	GENMASK(7, 5)
186 #define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5)
187 #define CDC_A_MBHC_BTN_VREF_MASK	(CDC_A_MBHC_BTN_VREF_COARSE_MASK | \
188 					CDC_A_MBHC_BTN_VREF_FINE_MASK)
189 #define CDC_A_MBHC_RESULT_1		(0xf158)
190 #define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK	GENMASK(4, 0)
191 #define CDC_A_TX_1_EN			(0xf160)
192 #define CDC_A_TX_2_EN			(0xf161)
193 #define CDC_A_TX_1_2_TEST_CTL_1		(0xf162)
194 #define CDC_A_TX_1_2_TEST_CTL_2		(0xf163)
195 #define CDC_A_TX_1_2_ATEST_CTL		(0xf164)
196 #define CDC_A_TX_1_2_OPAMP_BIAS		(0xf165)
197 #define CDC_A_TX_3_EN			(0xf167)
198 #define CDC_A_NCP_EN			(0xf180)
199 #define CDC_A_NCP_CLK			(0xf181)
200 #define CDC_A_NCP_FBCTRL		(0xf183)
201 #define CDC_A_NCP_FBCTRL_FB_CLK_INV_MASK	BIT(5)
202 #define CDC_A_NCP_FBCTRL_FB_CLK_INV		BIT(5)
203 #define CDC_A_NCP_BIAS			(0xf184)
204 #define CDC_A_NCP_VCTRL			(0xf185)
205 #define CDC_A_NCP_TEST			(0xf186)
206 #define CDC_A_NCP_CLIM_ADDR		(0xf187)
207 #define CDC_A_RX_CLOCK_DIVIDER		(0xf190)
208 #define CDC_A_RX_COM_OCP_CTL		(0xf191)
209 #define CDC_A_RX_COM_OCP_COUNT		(0xf192)
210 #define CDC_A_RX_COM_BIAS_DAC		(0xf193)
211 #define RX_COM_BIAS_DAC_RX_BIAS_EN_MASK		BIT(7)
212 #define RX_COM_BIAS_DAC_RX_BIAS_EN_ENABLE	BIT(7)
213 #define RX_COM_BIAS_DAC_DAC_REF_EN_MASK		BIT(0)
214 #define RX_COM_BIAS_DAC_DAC_REF_EN_ENABLE	BIT(0)
215 
216 #define CDC_A_RX_HPH_BIAS_PA		(0xf194)
217 #define CDC_A_RX_HPH_BIAS_LDO_OCP	(0xf195)
218 #define CDC_A_RX_HPH_BIAS_CNP		(0xf196)
219 #define CDC_A_RX_HPH_CNP_EN		(0xf197)
220 #define CDC_A_RX_HPH_L_PA_DAC_CTL	(0xf19B)
221 #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_MASK	BIT(1)
222 #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_RESET	BIT(1)
223 #define CDC_A_RX_HPH_R_PA_DAC_CTL	(0xf19D)
224 #define RX_HPH_R_PA_DAC_CTL_DATA_RESET	BIT(1)
225 #define RX_HPH_R_PA_DAC_CTL_DATA_RESET_MASK BIT(1)
226 
227 #define CDC_A_RX_EAR_CTL			(0xf19E)
228 #define RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK		BIT(0)
229 #define RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE	BIT(0)
230 #define RX_EAR_CTL_PA_EAR_PA_EN_MASK		BIT(6)
231 #define RX_EAR_CTL_PA_EAR_PA_EN_ENABLE		BIT(6)
232 #define RX_EAR_CTL_PA_SEL_MASK			BIT(7)
233 #define RX_EAR_CTL_PA_SEL			BIT(7)
234 
235 #define CDC_A_SPKR_DAC_CTL		(0xf1B0)
236 #define SPKR_DAC_CTL_DAC_RESET_MASK	BIT(4)
237 #define SPKR_DAC_CTL_DAC_RESET_NORMAL	0
238 
239 #define CDC_A_SPKR_DRV_CTL		(0xf1B2)
240 #define SPKR_DRV_CTL_DEF_MASK		0xEF
241 #define SPKR_DRV_CLASSD_PA_EN_MASK	BIT(7)
242 #define SPKR_DRV_CLASSD_PA_EN_ENABLE	BIT(7)
243 #define SPKR_DRV_CAL_EN			BIT(6)
244 #define SPKR_DRV_SETTLE_EN		BIT(5)
245 #define SPKR_DRV_FW_EN			BIT(3)
246 #define SPKR_DRV_BOOST_SET		BIT(2)
247 #define SPKR_DRV_CMFB_SET		BIT(1)
248 #define SPKR_DRV_GAIN_SET		BIT(0)
249 #define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \
250 		SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \
251 		SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \
252 		SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET)
253 #define CDC_A_SPKR_OCP_CTL		(0xf1B4)
254 #define CDC_A_SPKR_PWRSTG_CTL		(0xf1B5)
255 #define SPKR_PWRSTG_CTL_DAC_EN_MASK	BIT(0)
256 #define SPKR_PWRSTG_CTL_DAC_EN		BIT(0)
257 #define SPKR_PWRSTG_CTL_MASK		0xE0
258 #define SPKR_PWRSTG_CTL_BBM_MASK	BIT(7)
259 #define SPKR_PWRSTG_CTL_BBM_EN		BIT(7)
260 #define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK	BIT(6)
261 #define SPKR_PWRSTG_CTL_HBRDGE_EN	BIT(6)
262 #define SPKR_PWRSTG_CTL_CLAMP_EN_MASK	BIT(5)
263 #define SPKR_PWRSTG_CTL_CLAMP_EN	BIT(5)
264 
265 #define CDC_A_SPKR_DRV_DBG		(0xf1B7)
266 #define CDC_A_CURRENT_LIMIT		(0xf1C0)
267 #define CDC_A_BOOST_EN_CTL		(0xf1C3)
268 #define CDC_A_SLOPE_COMP_IP_ZERO	(0xf1C4)
269 #define CDC_A_SEC_ACCESS		(0xf1D0)
270 #define CDC_A_PERPH_RESET_CTL3		(0xf1DA)
271 #define CDC_A_PERPH_RESET_CTL4		(0xf1DB)
272 
273 #define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
274 			SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
275 #define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
276 				    SNDRV_PCM_FMTBIT_S32_LE)
277 
278 static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
279 	       SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4;
280 static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET;
281 
282 static const char * const supply_names[] = {
283 	"vdd-cdc-io",
284 	"vdd-cdc-tx-rx-cx",
285 };
286 
287 #define MBHC_MAX_BUTTONS	(5)
288 
289 struct pm8916_wcd_analog_priv {
290 	u16 pmic_rev;
291 	u16 codec_version;
292 	bool	mbhc_btn_enabled;
293 	/* special event to detect accessory type */
294 	int	mbhc_btn0_released;
295 	bool	detect_accessory_type;
296 	struct clk *mclk;
297 	struct snd_soc_component *component;
298 	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
299 	struct snd_soc_jack *jack;
300 	bool hphl_jack_type_normally_open;
301 	bool gnd_jack_type_normally_open;
302 	/* Voltage threshold when internal current source of 100uA is used */
303 	u32 vref_btn_cs[MBHC_MAX_BUTTONS];
304 	/* Voltage threshold when microphone bias is ON */
305 	u32 vref_btn_micb[MBHC_MAX_BUTTONS];
306 	unsigned int micbias1_cap_mode;
307 	unsigned int micbias2_cap_mode;
308 	unsigned int micbias_mv;
309 };
310 
311 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
312 static const char *const rdac2_mux_text[] = { "RX1", "RX2" };
313 static const char *const hph_text[] = { "ZERO", "Switch", };
314 
315 static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
316 					ARRAY_SIZE(hph_text), hph_text);
317 
318 static const struct snd_kcontrol_new ear_mux = SOC_DAPM_ENUM("EAR_S", hph_enum);
319 static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum);
320 static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum);
321 
322 /* ADC2 MUX */
323 static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
324 			ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
325 
326 /* RDAC2 MUX */
327 static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
328 			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text);
329 
330 static const struct snd_kcontrol_new spkr_switch[] = {
331 	SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)
332 };
333 
334 static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM(
335 					"RDAC2 MUX Mux", rdac2_mux_enum);
336 static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM(
337 					"ADC2 MUX Mux", adc2_enum);
338 
339 /* Analog Gain control 0 dB to +24 dB in 6 dB steps */
340 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0);
341 
342 static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = {
343 	SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain),
344 	SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain),
345 	SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain),
346 };
347 
348 static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component)
349 {
350 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
351 
352 	snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
353 			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
354 			    MICB_1_CTL_INT_PRECHARG_BYP_MASK,
355 			    MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL
356 			    | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);
357 
358 	if (wcd->micbias_mv) {
359 		snd_soc_component_update_bits(component, CDC_A_MICB_1_VAL,
360 				    MICB_1_VAL_MICB_OUT_VAL_MASK,
361 				    MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
362 		/*
363 		 * Special headset needs MICBIAS as 2.7V so wait for
364 		 * 50 msec for the MICBIAS to reach 2.7 volts.
365 		 */
366 		if (wcd->micbias_mv >= 2700)
367 			msleep(50);
368 	}
369 
370 	snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
371 			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
372 			    MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0);
373 
374 }
375 
376 static int pm8916_wcd_analog_enable_micbias(struct snd_soc_component *component,
377 					    int event, unsigned int cap_mode)
378 {
379 	switch (event) {
380 	case SND_SOC_DAPM_POST_PMU:
381 		pm8916_wcd_analog_micbias_enable(component);
382 		snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
383 				    MICB_1_EN_BYP_CAP_MASK, cap_mode);
384 		break;
385 	}
386 
387 	return 0;
388 }
389 
390 static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_dapm_widget *w,
391 						struct snd_kcontrol *kcontrol,
392 						int event)
393 {
394 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
395 
396 	switch (event) {
397 	case SND_SOC_DAPM_PRE_PMU:
398 		snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
399 				    MICB_1_EN_OPA_STG2_TAIL_CURR_MASK,
400 				    MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA);
401 		break;
402 	}
403 
404 	return 0;
405 }
406 
407 static int pm8916_wcd_analog_enable_micbias1(struct snd_soc_dapm_widget *w,
408 					     struct snd_kcontrol *kcontrol,
409 					     int event)
410 {
411 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
412 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
413 
414 	return pm8916_wcd_analog_enable_micbias(component, event,
415 						wcd->micbias1_cap_mode);
416 }
417 
418 static int pm8916_wcd_analog_enable_micbias2(struct snd_soc_dapm_widget *w,
419 					     struct snd_kcontrol *kcontrol,
420 					     int event)
421 {
422 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
423 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
424 
425 	return pm8916_wcd_analog_enable_micbias(component, event,
426 						wcd->micbias2_cap_mode);
427 
428 }
429 
430 static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv,
431 				      bool micbias2_enabled)
432 {
433 	struct snd_soc_component *component = priv->component;
434 	u32 coarse, fine, reg_val, reg_addr;
435 	int *vrefs, i;
436 
437 	if (!micbias2_enabled) { /* use internal 100uA Current source */
438 		/* Enable internal 2.2k Internal Rbias Resistor */
439 		snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS,
440 				    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
441 				    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
442 		/* Remove pull down on MIC BIAS2 */
443 		snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
444 				   CDC_A_MICB_2_PULL_DOWN_EN_MASK,
445 				   0);
446 		/* enable 100uA internal current source */
447 		snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
448 				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK,
449 				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA);
450 	}
451 	snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
452 			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK,
453 			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN);
454 
455 	if (micbias2_enabled)
456 		vrefs = &priv->vref_btn_micb[0];
457 	else
458 		vrefs = &priv->vref_btn_cs[0];
459 
460 	/* program vref ranges for all the buttons */
461 	reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0;
462 	for (i = 0; i <  MBHC_MAX_BUTTONS; i++) {
463 		/* split mv in to coarse parts of 100mv & fine parts of 12mv */
464 		coarse = (vrefs[i] / 100);
465 		fine = ((vrefs[i] % 100) / 12);
466 		reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) |
467 			 (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT);
468 		snd_soc_component_update_bits(component, reg_addr,
469 			       CDC_A_MBHC_BTN_VREF_MASK,
470 			       reg_val);
471 		reg_addr++;
472 	}
473 
474 	return 0;
475 }
476 
477 static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
478 {
479 	struct snd_soc_component *component = wcd->component;
480 	bool micbias_enabled = false;
481 	u32 plug_type = 0;
482 	u32 int_en_mask;
483 
484 	snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_1,
485 		      CDC_A_MBHC_DET_CTL_L_DET_EN |
486 		      CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION |
487 		      CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO |
488 		      CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN);
489 
490 	if (wcd->hphl_jack_type_normally_open)
491 		plug_type |= CDC_A_HPHL_PLUG_TYPE_NO;
492 
493 	if (wcd->gnd_jack_type_normally_open)
494 		plug_type |= CDC_A_GND_PLUG_TYPE_NO;
495 
496 	snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_2,
497 		      CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 |
498 		      CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD |
499 		      plug_type |
500 		      CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN);
501 
502 
503 	snd_soc_component_write(component, CDC_A_MBHC_DBNC_TIMER,
504 		      CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS |
505 		      CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS);
506 
507 	/* enable MBHC clock */
508 	snd_soc_component_update_bits(component, CDC_D_CDC_DIG_CLK_CTL,
509 			    DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
510 			    DIG_CLK_CTL_D_MBHC_CLK_EN);
511 
512 	if (snd_soc_component_read(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE)
513 		micbias_enabled = true;
514 
515 	pm8916_mbhc_configure_bias(wcd, micbias_enabled);
516 
517 	int_en_mask = MBHC_SWITCH_INT;
518 	if (wcd->mbhc_btn_enabled)
519 		int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;
520 
521 	snd_soc_component_update_bits(component, CDC_D_INT_EN_CLR, int_en_mask, 0);
522 	snd_soc_component_update_bits(component, CDC_D_INT_EN_SET, int_en_mask, int_en_mask);
523 	wcd->mbhc_btn0_released = false;
524 	wcd->detect_accessory_type = true;
525 }
526 
527 static int pm8916_wcd_analog_enable_micbias_int2(struct
528 						  snd_soc_dapm_widget
529 						  *w, struct snd_kcontrol
530 						  *kcontrol, int event)
531 {
532 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
533 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
534 
535 	switch (event) {
536 	case SND_SOC_DAPM_PRE_PMU:
537 		snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
538 					      CDC_A_MICB_2_PULL_DOWN_EN_MASK, 0);
539 		break;
540 	case SND_SOC_DAPM_POST_PMU:
541 		pm8916_mbhc_configure_bias(wcd, true);
542 		break;
543 	case SND_SOC_DAPM_POST_PMD:
544 		pm8916_mbhc_configure_bias(wcd, false);
545 		break;
546 	}
547 
548 	return pm8916_wcd_analog_enable_micbias_int(w, kcontrol, event);
549 }
550 
551 static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w,
552 					 struct snd_kcontrol *kcontrol,
553 					 int event)
554 {
555 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
556 	u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2;
557 	u8 init_bit_shift;
558 
559 	if (w->reg == CDC_A_TX_1_EN)
560 		init_bit_shift = 5;
561 	else
562 		init_bit_shift = 4;
563 
564 	switch (event) {
565 	case SND_SOC_DAPM_PRE_PMU:
566 		if (w->reg == CDC_A_TX_2_EN)
567 			snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
568 					    MICB_1_CTL_CFILT_REF_SEL_MASK,
569 					    MICB_1_CTL_CFILT_REF_SEL_HPF_REF);
570 		/*
571 		 * Add delay of 10 ms to give sufficient time for the voltage
572 		 * to shoot up and settle so that the txfe init does not
573 		 * happen when the input voltage is changing too much.
574 		 */
575 		usleep_range(10000, 10010);
576 		snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift,
577 				    1 << init_bit_shift);
578 		switch (w->reg) {
579 		case CDC_A_TX_1_EN:
580 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
581 					    CONN_TX1_SERIAL_TX1_MUX,
582 					    CONN_TX1_SERIAL_TX1_ADC_1);
583 			break;
584 		case CDC_A_TX_2_EN:
585 		case CDC_A_TX_3_EN:
586 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
587 					    CONN_TX2_SERIAL_TX2_MUX,
588 					    CONN_TX2_SERIAL_TX2_ADC_2);
589 			break;
590 		}
591 		break;
592 	case SND_SOC_DAPM_POST_PMU:
593 		/*
594 		 * Add delay of 12 ms before deasserting the init
595 		 * to reduce the tx pop
596 		 */
597 		usleep_range(12000, 12010);
598 		snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 0x00);
599 		break;
600 	case SND_SOC_DAPM_POST_PMD:
601 		switch (w->reg) {
602 		case CDC_A_TX_1_EN:
603 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
604 					    CONN_TX1_SERIAL_TX1_MUX,
605 					    CONN_TX1_SERIAL_TX1_ZERO);
606 			break;
607 		case CDC_A_TX_2_EN:
608 			snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
609 					    MICB_1_CTL_CFILT_REF_SEL_MASK, 0);
610 			fallthrough;
611 		case CDC_A_TX_3_EN:
612 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
613 					    CONN_TX2_SERIAL_TX2_MUX,
614 					    CONN_TX2_SERIAL_TX2_ZERO);
615 			break;
616 		}
617 
618 
619 		break;
620 	}
621 	return 0;
622 }
623 
624 static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
625 					    struct snd_kcontrol *kcontrol,
626 					    int event)
627 {
628 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
629 
630 	switch (event) {
631 	case SND_SOC_DAPM_PRE_PMU:
632 		snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
633 				    SPKR_PWRSTG_CTL_DAC_EN_MASK |
634 				    SPKR_PWRSTG_CTL_BBM_MASK |
635 				    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
636 				    SPKR_PWRSTG_CTL_CLAMP_EN_MASK,
637 				    SPKR_PWRSTG_CTL_DAC_EN|
638 				    SPKR_PWRSTG_CTL_BBM_EN |
639 				    SPKR_PWRSTG_CTL_HBRDGE_EN |
640 				    SPKR_PWRSTG_CTL_CLAMP_EN);
641 
642 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
643 				    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK,
644 				    RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE);
645 		break;
646 	case SND_SOC_DAPM_POST_PMU:
647 		snd_soc_component_update_bits(component, CDC_A_SPKR_DRV_CTL,
648 				    SPKR_DRV_CTL_DEF_MASK,
649 				    SPKR_DRV_CTL_DEF_VAL);
650 		snd_soc_component_update_bits(component, w->reg,
651 				    SPKR_DRV_CLASSD_PA_EN_MASK,
652 				    SPKR_DRV_CLASSD_PA_EN_ENABLE);
653 		break;
654 	case SND_SOC_DAPM_POST_PMD:
655 		snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
656 				    SPKR_PWRSTG_CTL_DAC_EN_MASK|
657 				    SPKR_PWRSTG_CTL_BBM_MASK |
658 				    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
659 				    SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0);
660 
661 		snd_soc_component_update_bits(component, CDC_A_SPKR_DAC_CTL,
662 				    SPKR_DAC_CTL_DAC_RESET_MASK,
663 				    SPKR_DAC_CTL_DAC_RESET_NORMAL);
664 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
665 				    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0);
666 		break;
667 	}
668 	return 0;
669 }
670 
671 static int pm8916_wcd_analog_enable_ear_pa(struct snd_soc_dapm_widget *w,
672 					    struct snd_kcontrol *kcontrol,
673 					    int event)
674 {
675 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
676 
677 	switch (event) {
678 	case SND_SOC_DAPM_PRE_PMU:
679 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
680 				    RX_EAR_CTL_PA_SEL_MASK, RX_EAR_CTL_PA_SEL);
681 		break;
682 	case SND_SOC_DAPM_POST_PMU:
683 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
684 				    RX_EAR_CTL_PA_EAR_PA_EN_MASK,
685 				    RX_EAR_CTL_PA_EAR_PA_EN_ENABLE);
686 		break;
687 	case SND_SOC_DAPM_POST_PMD:
688 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
689 				    RX_EAR_CTL_PA_EAR_PA_EN_MASK, 0);
690 		/* Delay to reduce ear turn off pop */
691 		usleep_range(7000, 7100);
692 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
693 				    RX_EAR_CTL_PA_SEL_MASK, 0);
694 		break;
695 	}
696 	return 0;
697 }
698 
699 static const struct reg_default wcd_reg_defaults_2_0[] = {
700 	{CDC_A_RX_COM_OCP_CTL, 0xD1},
701 	{CDC_A_RX_COM_OCP_COUNT, 0xFF},
702 	{CDC_D_SEC_ACCESS, 0xA5},
703 	{CDC_D_PERPH_RESET_CTL3, 0x0F},
704 	{CDC_A_TX_1_2_OPAMP_BIAS, 0x4F},
705 	{CDC_A_NCP_FBCTRL, 0x28},
706 	{CDC_A_SPKR_DRV_CTL, 0x69},
707 	{CDC_A_SPKR_DRV_DBG, 0x01},
708 	{CDC_A_BOOST_EN_CTL, 0x5F},
709 	{CDC_A_SLOPE_COMP_IP_ZERO, 0x88},
710 	{CDC_A_SEC_ACCESS, 0xA5},
711 	{CDC_A_PERPH_RESET_CTL3, 0x0F},
712 	{CDC_A_CURRENT_LIMIT, 0x82},
713 	{CDC_A_SPKR_DAC_CTL, 0x03},
714 	{CDC_A_SPKR_OCP_CTL, 0xE1},
715 	{CDC_A_MASTER_BIAS_CTL, 0x30},
716 };
717 
718 static int pm8916_wcd_analog_probe(struct snd_soc_component *component)
719 {
720 	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
721 	int err, reg;
722 
723 	err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
724 	if (err != 0) {
725 		dev_err(component->dev, "failed to enable regulators (%d)\n", err);
726 		return err;
727 	}
728 
729 	snd_soc_component_init_regmap(component,
730 				  dev_get_regmap(component->dev->parent, NULL));
731 	snd_soc_component_set_drvdata(component, priv);
732 	priv->pmic_rev = snd_soc_component_read(component, CDC_D_REVISION1);
733 	priv->codec_version = snd_soc_component_read(component, CDC_D_PERPH_SUBTYPE);
734 
735 	dev_info(component->dev, "PMIC REV: %d\t CODEC Version: %d\n",
736 		 priv->pmic_rev, priv->codec_version);
737 
738 	snd_soc_component_write(component, CDC_D_PERPH_RESET_CTL4, 0x01);
739 	snd_soc_component_write(component, CDC_A_PERPH_RESET_CTL4, 0x01);
740 
741 	for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++)
742 		snd_soc_component_write(component, wcd_reg_defaults_2_0[reg].reg,
743 			      wcd_reg_defaults_2_0[reg].def);
744 
745 	priv->component = component;
746 
747 	snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
748 			    RST_CTL_DIG_SW_RST_N_MASK,
749 			    RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
750 
751 	pm8916_wcd_setup_mbhc(priv);
752 
753 	return 0;
754 }
755 
756 static void pm8916_wcd_analog_remove(struct snd_soc_component *component)
757 {
758 	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
759 
760 	snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
761 			    RST_CTL_DIG_SW_RST_N_MASK, 0);
762 
763 	regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
764 				      priv->supplies);
765 }
766 
767 static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {
768 
769 	{"PDM_RX1", NULL, "PDM Playback"},
770 	{"PDM_RX2", NULL, "PDM Playback"},
771 	{"PDM_RX3", NULL, "PDM Playback"},
772 	{"PDM Capture", NULL, "PDM_TX"},
773 
774 	/* ADC Connections */
775 	{"PDM_TX", NULL, "ADC2"},
776 	{"PDM_TX", NULL, "ADC3"},
777 	{"ADC2", NULL, "ADC2 MUX"},
778 	{"ADC3", NULL, "ADC2 MUX"},
779 	{"ADC2 MUX", "INP2", "ADC2_INP2"},
780 	{"ADC2 MUX", "INP3", "ADC2_INP3"},
781 
782 	{"PDM_TX", NULL, "ADC1"},
783 	{"ADC1", NULL, "AMIC1"},
784 	{"ADC2_INP2", NULL, "AMIC2"},
785 	{"ADC2_INP3", NULL, "AMIC3"},
786 
787 	/* RDAC Connections */
788 	{"HPHR DAC", NULL, "RDAC2 MUX"},
789 	{"RDAC2 MUX", "RX1", "PDM_RX1"},
790 	{"RDAC2 MUX", "RX2", "PDM_RX2"},
791 	{"HPHL DAC", NULL, "PDM_RX1"},
792 	{"PDM_RX1", NULL, "RXD1_CLK"},
793 	{"PDM_RX2", NULL, "RXD2_CLK"},
794 	{"PDM_RX3", NULL, "RXD3_CLK"},
795 
796 	{"PDM_RX1", NULL, "RXD_PDM_CLK"},
797 	{"PDM_RX2", NULL, "RXD_PDM_CLK"},
798 	{"PDM_RX3", NULL, "RXD_PDM_CLK"},
799 
800 	{"ADC1", NULL, "TXD_CLK"},
801 	{"ADC2", NULL, "TXD_CLK"},
802 	{"ADC3", NULL, "TXD_CLK"},
803 
804 	{"ADC1", NULL, "TXA_CLK25"},
805 	{"ADC2", NULL, "TXA_CLK25"},
806 	{"ADC3", NULL, "TXA_CLK25"},
807 
808 	{"PDM_RX1", NULL, "A_MCLK2"},
809 	{"PDM_RX2", NULL, "A_MCLK2"},
810 	{"PDM_RX3", NULL, "A_MCLK2"},
811 
812 	{"PDM_TX", NULL, "A_MCLK2"},
813 	{"A_MCLK2", NULL, "A_MCLK"},
814 
815 	/* Earpiece (RX MIX1) */
816 	{"EAR", NULL, "EAR_S"},
817 	{"EAR_S", "Switch", "EAR PA"},
818 	{"EAR PA", NULL, "RX_BIAS"},
819 	{"EAR PA", NULL, "HPHL DAC"},
820 	{"EAR PA", NULL, "HPHR DAC"},
821 	{"EAR PA", NULL, "EAR CP"},
822 
823 	/* Headset (RX MIX1 and RX MIX2) */
824 	{"HPH_L", NULL, "HPHL PA"},
825 	{"HPH_R", NULL, "HPHR PA"},
826 
827 	{"HPHL DAC", NULL, "EAR_HPHL_CLK"},
828 	{"HPHR DAC", NULL, "EAR_HPHR_CLK"},
829 
830 	{"CP", NULL, "NCP_CLK"},
831 
832 	{"HPHL PA", NULL, "HPHL"},
833 	{"HPHR PA", NULL, "HPHR"},
834 	{"HPHL PA", NULL, "CP"},
835 	{"HPHL PA", NULL, "RX_BIAS"},
836 	{"HPHR PA", NULL, "CP"},
837 	{"HPHR PA", NULL, "RX_BIAS"},
838 	{"HPHL", "Switch", "HPHL DAC"},
839 	{"HPHR", "Switch", "HPHR DAC"},
840 
841 	{"RX_BIAS", NULL, "DAC_REF"},
842 
843 	{"SPK_OUT", NULL, "SPK PA"},
844 	{"SPK PA", NULL, "RX_BIAS"},
845 	{"SPK PA", NULL, "SPKR_CLK"},
846 	{"SPK PA", NULL, "SPK DAC"},
847 	{"SPK DAC", "Switch", "PDM_RX3"},
848 
849 	{"MIC_BIAS1", NULL, "INT_LDO_H"},
850 	{"MIC_BIAS2", NULL, "INT_LDO_H"},
851 	{"MIC_BIAS1", NULL, "vdd-micbias"},
852 	{"MIC_BIAS2", NULL, "vdd-micbias"},
853 
854 	{"MIC BIAS External1", NULL, "MIC_BIAS1"},
855 	{"MIC BIAS Internal1", NULL, "MIC_BIAS1"},
856 	{"MIC BIAS External2", NULL, "MIC_BIAS2"},
857 	{"MIC BIAS Internal2", NULL, "MIC_BIAS2"},
858 	{"MIC BIAS Internal3", NULL, "MIC_BIAS1"},
859 };
860 
861 static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {
862 
863 	SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
864 	SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
865 	SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
866 	SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
867 
868 	SND_SOC_DAPM_INPUT("AMIC1"),
869 	SND_SOC_DAPM_INPUT("AMIC3"),
870 	SND_SOC_DAPM_INPUT("AMIC2"),
871 	SND_SOC_DAPM_OUTPUT("EAR"),
872 	SND_SOC_DAPM_OUTPUT("HPH_L"),
873 	SND_SOC_DAPM_OUTPUT("HPH_R"),
874 
875 	/* RX stuff */
876 	SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0),
877 
878 	SND_SOC_DAPM_PGA_E("EAR PA", SND_SOC_NOPM,
879 			   0, 0, NULL, 0,
880 			   pm8916_wcd_analog_enable_ear_pa,
881 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
882 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
883 	SND_SOC_DAPM_MUX("EAR_S", SND_SOC_NOPM, 0, 0, &ear_mux),
884 	SND_SOC_DAPM_SUPPLY("EAR CP", CDC_A_NCP_EN, 4, 0, NULL, 0),
885 
886 	SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0),
887 	SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux),
888 	SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL,
889 			   0),
890 	SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0),
891 	SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux),
892 	SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL,
893 			   0),
894 	SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0,
895 			   spkr_switch, ARRAY_SIZE(spkr_switch)),
896 
897 	/* Speaker */
898 	SND_SOC_DAPM_OUTPUT("SPK_OUT"),
899 	SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL,
900 			   6, 0, NULL, 0,
901 			   pm8916_wcd_analog_enable_spk_pa,
902 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
903 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
904 	SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0),
905 	SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0),
906 
907 	SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0),
908 	SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0),
909 
910 	/* TX */
911 	SND_SOC_DAPM_SUPPLY("MIC_BIAS1", CDC_A_MICB_1_EN, 7, 0,
912 			    pm8916_wcd_analog_enable_micbias1,
913 			    SND_SOC_DAPM_POST_PMU),
914 	SND_SOC_DAPM_SUPPLY("MIC_BIAS2", CDC_A_MICB_2_EN, 7, 0,
915 			    pm8916_wcd_analog_enable_micbias2,
916 			    SND_SOC_DAPM_POST_PMU),
917 
918 	SND_SOC_DAPM_SUPPLY("MIC BIAS External1", SND_SOC_NOPM, 0, 0, NULL, 0),
919 	SND_SOC_DAPM_SUPPLY("MIC BIAS External2", SND_SOC_NOPM, 0, 0, NULL, 0),
920 
921 	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_INT_RBIAS, 7, 0,
922 			    pm8916_wcd_analog_enable_micbias_int,
923 			    SND_SOC_DAPM_PRE_PMU),
924 	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_1_INT_RBIAS, 4, 0,
925 			    pm8916_wcd_analog_enable_micbias_int2,
926 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
927 			    SND_SOC_DAPM_POST_PMD),
928 	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal3", CDC_A_MICB_1_INT_RBIAS, 1, 0,
929 			    pm8916_wcd_analog_enable_micbias_int,
930 			    SND_SOC_DAPM_PRE_PMU),
931 
932 	SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0,
933 			   pm8916_wcd_analog_enable_adc,
934 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
935 			   SND_SOC_DAPM_POST_PMD),
936 	SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0,
937 			   pm8916_wcd_analog_enable_adc,
938 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
939 			   SND_SOC_DAPM_POST_PMD),
940 	SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0,
941 			   pm8916_wcd_analog_enable_adc,
942 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
943 			   SND_SOC_DAPM_POST_PMD),
944 
945 	SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
946 	SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),
947 
948 	SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
949 	SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux),
950 
951 	/* Analog path clocks */
952 	SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL,
953 			    0),
954 	SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL,
955 			    0),
956 	SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0),
957 	SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0),
958 
959 	/* Digital path clocks */
960 
961 	SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0),
962 	SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0),
963 	SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0),
964 
965 	SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0),
966 	SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0),
967 	SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL,
968 			    0),
969 
970 	/* System Clock source */
971 	SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0),
972 	/* TX ADC and RX DAC Clock source. */
973 	SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0),
974 };
975 
976 static int pm8916_wcd_analog_set_jack(struct snd_soc_component *component,
977 				      struct snd_soc_jack *jack,
978 				      void *data)
979 {
980 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
981 
982 	wcd->jack = jack;
983 
984 	return 0;
985 }
986 
987 static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg)
988 {
989 	struct pm8916_wcd_analog_priv *priv = arg;
990 
991 	if (priv->detect_accessory_type) {
992 		struct snd_soc_component *component = priv->component;
993 		u32 val = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1);
994 
995 		/* check if its BTN0 thats released */
996 		if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK))
997 			priv->mbhc_btn0_released = true;
998 
999 	} else {
1000 		snd_soc_jack_report(priv->jack, 0, btn_mask);
1001 	}
1002 
1003 	return IRQ_HANDLED;
1004 }
1005 
1006 static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg)
1007 {
1008 	struct pm8916_wcd_analog_priv *priv = arg;
1009 	struct snd_soc_component *component = priv->component;
1010 	u32 btn_result;
1011 
1012 	btn_result = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1) &
1013 				  CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK;
1014 
1015 	switch (btn_result) {
1016 	case 0xf:
1017 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask);
1018 		break;
1019 	case 0x7:
1020 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask);
1021 		break;
1022 	case 0x3:
1023 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask);
1024 		break;
1025 	case 0x1:
1026 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask);
1027 		break;
1028 	case 0x0:
1029 		/* handle BTN_0 specially for type detection */
1030 		if (!priv->detect_accessory_type)
1031 			snd_soc_jack_report(priv->jack,
1032 					    SND_JACK_BTN_0, btn_mask);
1033 		break;
1034 	default:
1035 		dev_err(component->dev,
1036 			"Unexpected button press result (%x)", btn_result);
1037 		break;
1038 	}
1039 
1040 	return IRQ_HANDLED;
1041 }
1042 
1043 static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg)
1044 {
1045 	struct pm8916_wcd_analog_priv *priv = arg;
1046 	struct snd_soc_component *component = priv->component;
1047 	bool ins = false;
1048 
1049 	if (snd_soc_component_read(component, CDC_A_MBHC_DET_CTL_1) &
1050 				CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK)
1051 		ins = true;
1052 
1053 	/* Set the detection type appropriately */
1054 	snd_soc_component_update_bits(component, CDC_A_MBHC_DET_CTL_1,
1055 			    CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK,
1056 			    (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT));
1057 
1058 
1059 	if (ins) { /* hs insertion */
1060 		bool micbias_enabled = false;
1061 
1062 		if (snd_soc_component_read(component, CDC_A_MICB_2_EN) &
1063 				CDC_A_MICB_2_EN_ENABLE)
1064 			micbias_enabled = true;
1065 
1066 		pm8916_mbhc_configure_bias(priv, micbias_enabled);
1067 
1068 		/*
1069 		 * if only a btn0 press event is receive just before
1070 		 * insert event then its a 3 pole headphone else if
1071 		 * both press and release event received then its
1072 		 * a headset.
1073 		 */
1074 		if (priv->mbhc_btn0_released)
1075 			snd_soc_jack_report(priv->jack,
1076 					    SND_JACK_HEADSET, hs_jack_mask);
1077 		else
1078 			snd_soc_jack_report(priv->jack,
1079 					    SND_JACK_HEADPHONE, hs_jack_mask);
1080 
1081 		priv->detect_accessory_type = false;
1082 
1083 	} else { /* removal */
1084 		snd_soc_jack_report(priv->jack, 0, hs_jack_mask);
1085 		priv->detect_accessory_type = true;
1086 		priv->mbhc_btn0_released = false;
1087 	}
1088 
1089 	return IRQ_HANDLED;
1090 }
1091 
1092 static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
1093 	[0] = {
1094 	       .name = "pm8916_wcd_analog_pdm_rx",
1095 	       .id = 0,
1096 	       .playback = {
1097 			    .stream_name = "PDM Playback",
1098 			    .rates = MSM8916_WCD_ANALOG_RATES,
1099 			    .formats = MSM8916_WCD_ANALOG_FORMATS,
1100 			    .channels_min = 1,
1101 			    .channels_max = 3,
1102 			    },
1103 	       },
1104 	[1] = {
1105 	       .name = "pm8916_wcd_analog_pdm_tx",
1106 	       .id = 1,
1107 	       .capture = {
1108 			   .stream_name = "PDM Capture",
1109 			   .rates = MSM8916_WCD_ANALOG_RATES,
1110 			   .formats = MSM8916_WCD_ANALOG_FORMATS,
1111 			   .channels_min = 1,
1112 			   .channels_max = 4,
1113 			   },
1114 	       },
1115 };
1116 
1117 static const struct snd_soc_component_driver pm8916_wcd_analog = {
1118 	.probe			= pm8916_wcd_analog_probe,
1119 	.remove			= pm8916_wcd_analog_remove,
1120 	.set_jack		= pm8916_wcd_analog_set_jack,
1121 	.controls		= pm8916_wcd_analog_snd_controls,
1122 	.num_controls		= ARRAY_SIZE(pm8916_wcd_analog_snd_controls),
1123 	.dapm_widgets		= pm8916_wcd_analog_dapm_widgets,
1124 	.num_dapm_widgets	= ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets),
1125 	.dapm_routes		= pm8916_wcd_analog_audio_map,
1126 	.num_dapm_routes	= ARRAY_SIZE(pm8916_wcd_analog_audio_map),
1127 	.idle_bias_on		= 1,
1128 	.use_pmdown_time	= 1,
1129 	.endianness		= 1,
1130 };
1131 
1132 static int pm8916_wcd_analog_parse_dt(struct device *dev,
1133 				       struct pm8916_wcd_analog_priv *priv)
1134 {
1135 	int rval;
1136 
1137 	if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap"))
1138 		priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1139 	else
1140 		priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1141 
1142 	if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap"))
1143 		priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1144 	else
1145 		priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1146 
1147 	of_property_read_u32(dev->of_node, "qcom,micbias-lvl",
1148 			     &priv->micbias_mv);
1149 
1150 	if (of_property_read_bool(dev->of_node,
1151 				  "qcom,hphl-jack-type-normally-open"))
1152 		priv->hphl_jack_type_normally_open = true;
1153 	else
1154 		priv->hphl_jack_type_normally_open = false;
1155 
1156 	if (of_property_read_bool(dev->of_node,
1157 				  "qcom,gnd-jack-type-normally-open"))
1158 		priv->gnd_jack_type_normally_open = true;
1159 	else
1160 		priv->gnd_jack_type_normally_open = false;
1161 
1162 	priv->mbhc_btn_enabled = true;
1163 	rval = of_property_read_u32_array(dev->of_node,
1164 					  "qcom,mbhc-vthreshold-low",
1165 					  &priv->vref_btn_cs[0],
1166 					  MBHC_MAX_BUTTONS);
1167 	if (rval < 0) {
1168 		priv->mbhc_btn_enabled = false;
1169 	} else {
1170 		rval = of_property_read_u32_array(dev->of_node,
1171 						  "qcom,mbhc-vthreshold-high",
1172 						  &priv->vref_btn_micb[0],
1173 						  MBHC_MAX_BUTTONS);
1174 		if (rval < 0)
1175 			priv->mbhc_btn_enabled = false;
1176 	}
1177 
1178 	if (!priv->mbhc_btn_enabled)
1179 		dev_err(dev,
1180 			"DT property missing, MBHC btn detection disabled\n");
1181 
1182 
1183 	return 0;
1184 }
1185 
1186 static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
1187 {
1188 	struct pm8916_wcd_analog_priv *priv;
1189 	struct device *dev = &pdev->dev;
1190 	int ret, i, irq;
1191 
1192 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1193 	if (!priv)
1194 		return -ENOMEM;
1195 
1196 	ret = pm8916_wcd_analog_parse_dt(dev, priv);
1197 	if (ret < 0)
1198 		return ret;
1199 
1200 	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1201 		priv->supplies[i].supply = supply_names[i];
1202 
1203 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
1204 				    priv->supplies);
1205 	if (ret) {
1206 		dev_err(dev, "Failed to get regulator supplies %d\n", ret);
1207 		return ret;
1208 	}
1209 
1210 	irq = platform_get_irq_byname(pdev, "mbhc_switch_int");
1211 	if (irq < 0)
1212 		return irq;
1213 
1214 	ret = devm_request_threaded_irq(dev, irq, NULL,
1215 			       pm8916_mbhc_switch_irq_handler,
1216 			       IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
1217 			       IRQF_ONESHOT,
1218 			       "mbhc switch irq", priv);
1219 	if (ret) {
1220 		dev_err(dev, "cannot request mbhc switch irq\n");
1221 		return ret;
1222 	}
1223 
1224 	if (priv->mbhc_btn_enabled) {
1225 		irq = platform_get_irq_byname(pdev, "mbhc_but_press_det");
1226 		if (irq < 0)
1227 			return irq;
1228 
1229 		ret = devm_request_threaded_irq(dev, irq, NULL,
1230 				       mbhc_btn_press_irq_handler,
1231 				       IRQF_TRIGGER_RISING |
1232 				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1233 				       "mbhc btn press irq", priv);
1234 		if (ret) {
1235 			dev_err(dev, "cannot request mbhc button press irq\n");
1236 			return ret;
1237 		}
1238 
1239 		irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det");
1240 		if (irq < 0)
1241 			return irq;
1242 
1243 		ret = devm_request_threaded_irq(dev, irq, NULL,
1244 				       mbhc_btn_release_irq_handler,
1245 				       IRQF_TRIGGER_RISING |
1246 				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1247 				       "mbhc btn release irq", priv);
1248 		if (ret) {
1249 			dev_err(dev, "cannot request mbhc button release irq\n");
1250 			return ret;
1251 		}
1252 	}
1253 
1254 	dev_set_drvdata(dev, priv);
1255 
1256 	return devm_snd_soc_register_component(dev, &pm8916_wcd_analog,
1257 				      pm8916_wcd_analog_dai,
1258 				      ARRAY_SIZE(pm8916_wcd_analog_dai));
1259 }
1260 
1261 static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = {
1262 	{ .compatible = "qcom,pm8916-wcd-analog-codec", },
1263 	{ }
1264 };
1265 
1266 MODULE_DEVICE_TABLE(of, pm8916_wcd_analog_spmi_match_table);
1267 
1268 static struct platform_driver pm8916_wcd_analog_spmi_driver = {
1269 	.driver = {
1270 		   .name = "qcom,pm8916-wcd-spmi-codec",
1271 		   .of_match_table = pm8916_wcd_analog_spmi_match_table,
1272 	},
1273 	.probe = pm8916_wcd_analog_spmi_probe,
1274 };
1275 
1276 module_platform_driver(pm8916_wcd_analog_spmi_driver);
1277 
1278 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
1279 MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver");
1280 MODULE_LICENSE("GPL v2");
1281